Earnings (Loss) Per Common Share (Basic and Diluted Net Income (Loss) Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net income (loss)
Income (loss) from continuing operations	$ 381	$ (2,150)	$ 1,729	$ (2,224)
Loss from discontinued operations, net of income taxes	(28)	0	(43)	(37)
Net income (loss)	$ 353	$ (2,150)	$ 1,686	$ (2,261)
Per common share – basic
Income (loss) from continuing operations (dollars per share)	$ 0.06	$ (0.35)	$ 0.28	$ (0.36)
Loss from discontinued operations (dollars per share)	0.00	0.00	(0.01)	(0.01)
Net income (loss) per common share – basic (dollars per share)	0.06	(0.35)	0.27	(0.37)
Per common share – diluted
Income (loss) from continuing operations (dollars per share)	0.06	(0.35)	0.27	(0.36)
Loss from discontinued operations (dollars per share)	0.00	0.00	(0.01)	(0.01)
Net income (loss) per common share – diluted (dollars per share)	$ 0.06	$ (0.35)	$ 0.26	$ (0.37)
Weighted Average Common Shares Outstanding:
Basic (shares)	6,294	6,211	6,263	6,185
Diluted (shares)	6,472	6,211	6,458	6,185